Dorman 635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Chevy GMC 12633579 12639250 DRM-635-518

Note- To ensure a leak-free installation, the use of the Dorman 635-000 installation tool or its equivalent is required. Failure to do so will result in a bad seal, and cause leaks. Failure to do so will void the warranty.

This direct replacement rear main seal cover kit matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

• Direct replacement - this rear main seal cover kit matches the factory design, and includes a new gasket, installation hardware, and an updated seal design for superior leak prevention
• Durable construction - the timing cover in this kit is made of die-cast aluminum for a leak-free fit and durability
• Convenient solution - this kit includes a new gasket and installation hardware for a complete repair
• Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life

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